./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0981_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0981_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71e4f1801ba3411ad4ae97f6f7ad3a4e544f01e4 ......................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0981_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71e4f1801ba3411ad4ae97f6f7ad3a4e544f01e4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 02:46:36,904 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 02:46:36,905 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 02:46:36,911 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 02:46:36,911 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 02:46:36,911 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 02:46:36,912 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 02:46:36,913 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 02:46:36,914 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 02:46:36,914 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 02:46:36,914 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 02:46:36,914 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 02:46:36,915 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 02:46:36,915 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 02:46:36,916 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 02:46:36,916 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 02:46:36,917 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 02:46:36,918 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 02:46:36,918 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 02:46:36,919 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 02:46:36,920 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 02:46:36,920 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 02:46:36,921 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 02:46:36,922 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 02:46:36,922 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 02:46:36,922 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 02:46:36,923 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 02:46:36,923 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 02:46:36,923 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 02:46:36,924 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 02:46:36,924 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 02:46:36,924 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 02:46:36,924 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 02:46:36,925 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 02:46:36,925 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 02:46:36,925 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 02:46:36,926 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 02:46:36,933 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 02:46:36,933 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 02:46:36,933 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 02:46:36,934 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 02:46:36,934 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 02:46:36,934 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 02:46:36,934 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 02:46:36,934 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 02:46:36,934 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 02:46:36,934 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 02:46:36,934 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 02:46:36,934 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 02:46:36,934 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 02:46:36,935 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 02:46:36,935 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 02:46:36,935 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 02:46:36,935 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 02:46:36,935 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 02:46:36,935 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 02:46:36,935 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 02:46:36,935 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 02:46:36,935 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 02:46:36,936 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 02:46:36,936 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 02:46:36,936 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 02:46:36,936 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 02:46:36,936 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 02:46:36,936 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 02:46:36,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 02:46:36,936 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 02:46:36,936 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 02:46:36,936 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 02:46:36,937 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 02:46:36,937 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 02:46:36,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 02:46:36,937 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 02:46:36,937 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71e4f1801ba3411ad4ae97f6f7ad3a4e544f01e4 [2018-12-09 02:46:36,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 02:46:36,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 02:46:36,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 02:46:36,967 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 02:46:36,968 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 02:46:36,968 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0981_true-unreach-call.c [2018-12-09 02:46:37,004 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/data/932694c8e/f8dac59ad4544ea1b07b288f21f1ce51/FLAG5becfe6cc [2018-12-09 02:46:37,336 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 02:46:37,336 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/sv-benchmarks/c/float-newlib/double_req_bl_0981_true-unreach-call.c [2018-12-09 02:46:37,340 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/data/932694c8e/f8dac59ad4544ea1b07b288f21f1ce51/FLAG5becfe6cc [2018-12-09 02:46:37,348 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/data/932694c8e/f8dac59ad4544ea1b07b288f21f1ce51 [2018-12-09 02:46:37,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 02:46:37,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 02:46:37,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 02:46:37,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 02:46:37,353 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 02:46:37,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:46:37" (1/1) ... [2018-12-09 02:46:37,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7962e2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:37, skipping insertion in model container [2018-12-09 02:46:37,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:46:37" (1/1) ... [2018-12-09 02:46:37,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 02:46:37,371 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 02:46:37,478 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:46:37,480 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 02:46:37,508 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:46:37,562 INFO L195 MainTranslator]: Completed translation [2018-12-09 02:46:37,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:37 WrapperNode [2018-12-09 02:46:37,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 02:46:37,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 02:46:37,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 02:46:37,564 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 02:46:37,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:37" (1/1) ... [2018-12-09 02:46:37,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:37" (1/1) ... [2018-12-09 02:46:37,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 02:46:37,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 02:46:37,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 02:46:37,584 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 02:46:37,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:37" (1/1) ... [2018-12-09 02:46:37,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:37" (1/1) ... [2018-12-09 02:46:37,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:37" (1/1) ... [2018-12-09 02:46:37,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:37" (1/1) ... [2018-12-09 02:46:37,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:37" (1/1) ... [2018-12-09 02:46:37,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:37" (1/1) ... [2018-12-09 02:46:37,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:37" (1/1) ... [2018-12-09 02:46:37,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 02:46:37,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 02:46:37,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 02:46:37,616 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 02:46:37,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 02:46:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-12-09 02:46:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-12-09 02:46:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-09 02:46:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-09 02:46:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-09 02:46:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-09 02:46:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 02:46:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 02:46:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 02:46:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 02:46:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 02:46:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 02:46:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 02:46:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 02:46:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 02:46:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 02:46:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 02:46:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 02:46:37,894 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 02:46:37,894 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 02:46:37,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:46:37 BoogieIcfgContainer [2018-12-09 02:46:37,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 02:46:37,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 02:46:37,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 02:46:37,898 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 02:46:37,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:46:37" (1/3) ... [2018-12-09 02:46:37,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60ca5742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:46:37, skipping insertion in model container [2018-12-09 02:46:37,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:37" (2/3) ... [2018-12-09 02:46:37,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60ca5742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:46:37, skipping insertion in model container [2018-12-09 02:46:37,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:46:37" (3/3) ... [2018-12-09 02:46:37,901 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981_true-unreach-call.c [2018-12-09 02:46:37,909 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 02:46:37,915 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 02:46:37,925 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 02:46:37,944 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 02:46:37,944 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 02:46:37,944 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 02:46:37,944 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 02:46:37,944 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 02:46:37,944 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 02:46:37,945 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 02:46:37,945 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 02:46:37,956 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-12-09 02:46:37,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 02:46:37,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:46:37,960 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:46:37,962 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:46:37,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:46:37,966 INFO L82 PathProgramCache]: Analyzing trace with hash 2043646315, now seen corresponding path program 1 times [2018-12-09 02:46:37,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:46:37,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:46:37,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:46:37,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:46:37,996 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:46:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:46:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:46:38,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 02:46:38,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 02:46:38,078 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 02:46:38,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 02:46:38,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 02:46:38,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 02:46:38,091 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-12-09 02:46:38,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:46:38,110 INFO L93 Difference]: Finished difference Result 114 states and 174 transitions. [2018-12-09 02:46:38,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 02:46:38,111 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-09 02:46:38,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:46:38,117 INFO L225 Difference]: With dead ends: 114 [2018-12-09 02:46:38,117 INFO L226 Difference]: Without dead ends: 57 [2018-12-09 02:46:38,119 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 02:46:38,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-09 02:46:38,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-09 02:46:38,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-09 02:46:38,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2018-12-09 02:46:38,144 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 24 [2018-12-09 02:46:38,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:46:38,145 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2018-12-09 02:46:38,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 02:46:38,145 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2018-12-09 02:46:38,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 02:46:38,146 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:46:38,146 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:46:38,146 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:46:38,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:46:38,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1947285720, now seen corresponding path program 1 times [2018-12-09 02:46:38,147 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:46:38,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:46:38,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:46:38,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:46:38,148 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:46:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 02:46:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 02:46:38,251 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 02:46:38,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:46:38 BoogieIcfgContainer [2018-12-09 02:46:38,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 02:46:38,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 02:46:38,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 02:46:38,278 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 02:46:38,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:46:37" (3/4) ... [2018-12-09 02:46:38,280 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 02:46:38,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 02:46:38,281 INFO L168 Benchmark]: Toolchain (without parser) took 931.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -92.8 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2018-12-09 02:46:38,282 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:46:38,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-12-09 02:46:38,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-09 02:46:38,283 INFO L168 Benchmark]: Boogie Preprocessor took 32.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:46:38,283 INFO L168 Benchmark]: RCFGBuilder took 278.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-12-09 02:46:38,283 INFO L168 Benchmark]: TraceAbstraction took 381.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-12-09 02:46:38,284 INFO L168 Benchmark]: Witness Printer took 3.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:46:38,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 212.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 278.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 381.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 186]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 168, overapproximation of someBinaryArithmeticDOUBLEoperation at line 131, overapproximation of bitwiseAnd at line 167. Possible FailurePath: [L15-L24] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L26] static const double zero = 0.0; [L109-L112] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L114] static const double zero_log10 = 0.0; VAL [\old(ivln10_log10)=6442450959, \old(Lg1_log)=6442450956, \old(Lg2_log)=6442450957, \old(Lg3_log)=6442450958, \old(Lg4_log)=6442450961, \old(Lg5_log)=6442450962, \old(Lg6_log)=6442450971, \old(Lg7_log)=6442450968, \old(ln2_hi_log)=6442450947, \old(ln2_lo_log)=6442450951, \old(log10_2hi_log10)=6442450952, \old(log10_2lo_log10)=6442450970, \old(two54_log)=6442450972, \old(two54_log10)=6442450953, \old(zero)=6442450974, \old(zero_log10)=6442450964, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L181] double x = 1.0 / 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L182] CALL, EXPR __ieee754_log10(x) VAL [\old(x)=6442450969, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L117] double y, z; [L118] __int32_t i, k, hx; [L119] __uint32_t lx; VAL [\old(x)=6442450969, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] [L122] ieee_double_shape_type ew_u; [L123] ew_u.value = (x) [L124] EXPR ew_u.parts.msw [L124] (hx) = ew_u.parts.msw [L125] EXPR ew_u.parts.lsw [L125] (lx) = ew_u.parts.lsw [L128] k = 0 VAL [\old(x)=6442450969, hx=-2147483646, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483658, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] [L129] COND TRUE hx < 0x00100000 VAL [\old(x)=6442450969, hx=-2147483646, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483658, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] [L130] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L131] return -two54_log10 / zero_log10; VAL [\old(x)=6442450969, hx=-2147483646, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483658, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] [L182] RET, EXPR __ieee754_log10(x) VAL [__ieee754_log10(x)=6442450950, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] [L182] double res = __ieee754_log10(x); [L185] CALL, EXPR isinf_double(res) VAL [\old(x)=6442450950, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L160] __int32_t hx, lx; VAL [\old(x)=6442450950, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450950, zero=0, zero_log10=0] [L162] ieee_double_shape_type ew_u; [L163] ew_u.value = (x) [L164] EXPR ew_u.parts.msw [L164] (hx) = ew_u.parts.msw [L165] EXPR ew_u.parts.lsw [L165] (lx) = ew_u.parts.lsw [L167] hx &= 0x7fffffff [L168] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L169] hx = 0x7ff00000 - hx [L170] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=6442450950, \result=0, hx=2146435072, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=-2147483648, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450950, zero=0, zero_log10=0] [L185] RET, EXPR isinf_double(res) VAL [isinf_double(res)=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=6442450950, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] [L185] COND TRUE !isinf_double(res) [L186] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=6442450950, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450969, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 61 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 75 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 02:46:39,543 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 02:46:39,545 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 02:46:39,552 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 02:46:39,552 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 02:46:39,553 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 02:46:39,553 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 02:46:39,554 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 02:46:39,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 02:46:39,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 02:46:39,555 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 02:46:39,556 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 02:46:39,556 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 02:46:39,556 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 02:46:39,557 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 02:46:39,557 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 02:46:39,558 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 02:46:39,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 02:46:39,560 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 02:46:39,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 02:46:39,561 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 02:46:39,562 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 02:46:39,563 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 02:46:39,563 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 02:46:39,564 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 02:46:39,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 02:46:39,564 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 02:46:39,565 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 02:46:39,565 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 02:46:39,566 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 02:46:39,566 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 02:46:39,566 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 02:46:39,566 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 02:46:39,566 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 02:46:39,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 02:46:39,567 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 02:46:39,567 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 02:46:39,577 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 02:46:39,577 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 02:46:39,578 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 02:46:39,578 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 02:46:39,578 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 02:46:39,578 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 02:46:39,578 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 02:46:39,578 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 02:46:39,579 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 02:46:39,579 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 02:46:39,579 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 02:46:39,579 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 02:46:39,579 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 02:46:39,580 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 02:46:39,580 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 02:46:39,580 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 02:46:39,580 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 02:46:39,580 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 02:46:39,580 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 02:46:39,580 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 02:46:39,580 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 02:46:39,581 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 02:46:39,581 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 02:46:39,581 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 02:46:39,581 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 02:46:39,581 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 02:46:39,581 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 02:46:39,581 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 02:46:39,582 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 02:46:39,582 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 02:46:39,582 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 02:46:39,582 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 02:46:39,582 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 02:46:39,582 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 02:46:39,582 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 02:46:39,583 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71e4f1801ba3411ad4ae97f6f7ad3a4e544f01e4 [2018-12-09 02:46:39,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 02:46:39,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 02:46:39,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 02:46:39,621 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 02:46:39,621 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 02:46:39,622 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0981_true-unreach-call.c [2018-12-09 02:46:39,658 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/data/744939a4e/0b8e832935844462b74fd00f3147e8b6/FLAGf781182d8 [2018-12-09 02:46:40,059 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 02:46:40,059 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/sv-benchmarks/c/float-newlib/double_req_bl_0981_true-unreach-call.c [2018-12-09 02:46:40,065 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/data/744939a4e/0b8e832935844462b74fd00f3147e8b6/FLAGf781182d8 [2018-12-09 02:46:40,076 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/data/744939a4e/0b8e832935844462b74fd00f3147e8b6 [2018-12-09 02:46:40,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 02:46:40,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 02:46:40,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 02:46:40,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 02:46:40,081 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 02:46:40,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:46:40" (1/1) ... [2018-12-09 02:46:40,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdf94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:40, skipping insertion in model container [2018-12-09 02:46:40,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:46:40" (1/1) ... [2018-12-09 02:46:40,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 02:46:40,106 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 02:46:40,221 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:46:40,224 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 02:46:40,256 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:46:40,280 INFO L195 MainTranslator]: Completed translation [2018-12-09 02:46:40,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:40 WrapperNode [2018-12-09 02:46:40,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 02:46:40,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 02:46:40,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 02:46:40,282 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 02:46:40,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:40" (1/1) ... [2018-12-09 02:46:40,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:40" (1/1) ... [2018-12-09 02:46:40,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 02:46:40,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 02:46:40,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 02:46:40,310 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 02:46:40,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:40" (1/1) ... [2018-12-09 02:46:40,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:40" (1/1) ... [2018-12-09 02:46:40,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:40" (1/1) ... [2018-12-09 02:46:40,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:40" (1/1) ... [2018-12-09 02:46:40,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:40" (1/1) ... [2018-12-09 02:46:40,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:40" (1/1) ... [2018-12-09 02:46:40,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:40" (1/1) ... [2018-12-09 02:46:40,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 02:46:40,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 02:46:40,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 02:46:40,368 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 02:46:40,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 02:46:40,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 02:46:40,400 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-12-09 02:46:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-12-09 02:46:40,400 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-09 02:46:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-09 02:46:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-09 02:46:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-09 02:46:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 02:46:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 02:46:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 02:46:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 02:46:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 02:46:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 02:46:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 02:46:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 02:46:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 02:46:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 02:46:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 02:46:40,555 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 02:46:45,356 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 02:46:45,455 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 02:46:49,663 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 02:47:08,007 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 02:47:08,113 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 02:47:10,381 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 02:47:10,395 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 02:47:10,395 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 02:47:10,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:47:10 BoogieIcfgContainer [2018-12-09 02:47:10,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 02:47:10,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 02:47:10,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 02:47:10,397 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 02:47:10,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:46:40" (1/3) ... [2018-12-09 02:47:10,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757972b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:47:10, skipping insertion in model container [2018-12-09 02:47:10,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:46:40" (2/3) ... [2018-12-09 02:47:10,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757972b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:47:10, skipping insertion in model container [2018-12-09 02:47:10,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:47:10" (3/3) ... [2018-12-09 02:47:10,399 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981_true-unreach-call.c [2018-12-09 02:47:10,404 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 02:47:10,409 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 02:47:10,417 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 02:47:10,436 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 02:47:10,436 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 02:47:10,437 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 02:47:10,437 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 02:47:10,437 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 02:47:10,437 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 02:47:10,437 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 02:47:10,437 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 02:47:10,437 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 02:47:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2018-12-09 02:47:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 02:47:10,452 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:47:10,453 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:47:10,454 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:47:10,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:47:10,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1855320417, now seen corresponding path program 1 times [2018-12-09 02:47:10,460 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 02:47:10,460 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 02:47:10,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:47:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:47:11,165 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:47:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:47:11,179 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 02:47:11,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 02:47:11,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 02:47:11,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 02:47:11,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 02:47:11,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 02:47:11,212 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2018-12-09 02:47:11,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:47:11,227 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2018-12-09 02:47:11,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 02:47:11,228 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 02:47:11,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:47:11,233 INFO L225 Difference]: With dead ends: 112 [2018-12-09 02:47:11,234 INFO L226 Difference]: Without dead ends: 56 [2018-12-09 02:47:11,235 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 02:47:11,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-09 02:47:11,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-12-09 02:47:11,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-09 02:47:11,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2018-12-09 02:47:11,259 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 23 [2018-12-09 02:47:11,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:47:11,260 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2018-12-09 02:47:11,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 02:47:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2018-12-09 02:47:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 02:47:11,260 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:47:11,261 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:47:11,261 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:47:11,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:47:11,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1408337410, now seen corresponding path program 1 times [2018-12-09 02:47:11,261 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 02:47:11,261 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 02:47:11,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:47:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:47:11,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:47:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:47:12,050 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 02:47:12,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 02:47:12,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 02:47:12,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 02:47:12,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 02:47:12,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 02:47:12,066 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand 6 states. [2018-12-09 02:47:17,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:47:17,006 INFO L93 Difference]: Finished difference Result 78 states and 93 transitions. [2018-12-09 02:47:17,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 02:47:17,008 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-09 02:47:17,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:47:17,009 INFO L225 Difference]: With dead ends: 78 [2018-12-09 02:47:17,009 INFO L226 Difference]: Without dead ends: 54 [2018-12-09 02:47:17,010 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-09 02:47:17,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-09 02:47:17,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2018-12-09 02:47:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-09 02:47:17,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2018-12-09 02:47:17,016 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 25 [2018-12-09 02:47:17,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:47:17,016 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2018-12-09 02:47:17,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 02:47:17,016 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2018-12-09 02:47:17,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 02:47:17,017 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:47:17,017 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:47:17,017 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:47:17,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:47:17,017 INFO L82 PathProgramCache]: Analyzing trace with hash -2099027137, now seen corresponding path program 1 times [2018-12-09 02:47:17,018 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 02:47:17,018 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 02:47:17,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:47:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:47:17,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:47:18,092 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 02:47:18,093 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 02:47:18,097 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-12-09 02:47:18,136 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 24 [2018-12-09 02:47:18,137 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 02:47:18,154 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-12-09 02:47:18,160 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-12-09 02:47:18,160 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 02:47:18,164 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 02:47:18,167 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 02:47:18,179 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 02:47:18,180 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-09 02:47:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:47:18,779 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 02:47:18,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 02:47:18,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 02:47:18,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 02:47:18,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 02:47:18,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-09 02:47:18,788 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand 11 states. [2018-12-09 02:47:20,194 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-09 02:47:24,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:47:24,539 INFO L93 Difference]: Finished difference Result 59 states and 70 transitions. [2018-12-09 02:47:24,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 02:47:24,540 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2018-12-09 02:47:24,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:47:24,540 INFO L225 Difference]: With dead ends: 59 [2018-12-09 02:47:24,540 INFO L226 Difference]: Without dead ends: 52 [2018-12-09 02:47:24,541 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-12-09 02:47:24,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-09 02:47:24,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-12-09 02:47:24,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-09 02:47:24,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2018-12-09 02:47:24,544 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 25 [2018-12-09 02:47:24,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:47:24,545 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2018-12-09 02:47:24,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 02:47:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2018-12-09 02:47:24,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 02:47:24,545 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:47:24,546 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:47:24,546 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:47:24,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:47:24,546 INFO L82 PathProgramCache]: Analyzing trace with hash 621548003, now seen corresponding path program 1 times [2018-12-09 02:47:24,546 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 02:47:24,546 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 02:47:24,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:47:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:47:25,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:47:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:47:25,518 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 02:47:25,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 02:47:25,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 02:47:25,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 02:47:25,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 02:47:25,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 02:47:25,540 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand 6 states. [2018-12-09 02:47:25,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:47:25,923 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2018-12-09 02:47:25,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 02:47:25,925 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-12-09 02:47:25,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:47:25,925 INFO L225 Difference]: With dead ends: 52 [2018-12-09 02:47:25,925 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 02:47:25,926 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-09 02:47:25,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 02:47:25,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 02:47:25,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 02:47:25,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 02:47:25,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-12-09 02:47:25,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:47:25,926 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 02:47:25,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 02:47:25,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 02:47:25,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 02:47:25,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 02:47:26,063 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 02:47:26,063 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 02:47:26,063 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 02:47:26,063 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10EXIT(lines 116 156) no Hoare annotation was computed. [2018-12-09 02:47:26,063 INFO L448 ceAbstractionStarter]: For program point L148-1(lines 148 153) no Hoare annotation was computed. [2018-12-09 02:47:26,064 INFO L444 ceAbstractionStarter]: At program point L148-2(lines 148 153) the Hoare annotation is: (or (and (exists ((v_prenex_20 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_20) ((_ extract 62 52) v_prenex_20) ((_ extract 51 0) v_prenex_20))) (not (bvsge ((_ extract 63 32) v_prenex_20) (_ bv2146435072 32))))) (= __ieee754_log10_~x |__ieee754_log10_#in~x|)) (exists ((v_prenex_17 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_17) ((_ extract 62 52) v_prenex_17) ((_ extract 51 0) v_prenex_17))) (bvslt ((_ extract 63 32) v_prenex_17) (_ bv1048576 32))))) [2018-12-09 02:47:26,064 INFO L444 ceAbstractionStarter]: At program point L148-3(lines 148 153) the Hoare annotation is: (exists ((v_prenex_20 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_20) ((_ extract 62 52) v_prenex_20) ((_ extract 51 0) v_prenex_20))) (not (bvsge ((_ extract 63 32) v_prenex_20) (_ bv2146435072 32))))) [2018-12-09 02:47:26,064 INFO L448 ceAbstractionStarter]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2018-12-09 02:47:26,064 INFO L444 ceAbstractionStarter]: At program point L136-2(lines 136 140) the Hoare annotation is: (and (exists ((v_prenex_17 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_17) ((_ extract 62 52) v_prenex_17) ((_ extract 51 0) v_prenex_17))) (= __ieee754_log10_~hx~1 ((_ extract 63 32) v_prenex_17)))) (exists ((v_prenex_17 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_17) ((_ extract 62 52) v_prenex_17) ((_ extract 51 0) v_prenex_17))) (bvslt ((_ extract 63 32) v_prenex_17) (_ bv1048576 32))))) [2018-12-09 02:47:26,064 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 133) no Hoare annotation was computed. [2018-12-09 02:47:26,064 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10FINAL(lines 116 156) no Hoare annotation was computed. [2018-12-09 02:47:26,064 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10ENTRY(lines 116 156) the Hoare annotation is: true [2018-12-09 02:47:26,064 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 141) no Hoare annotation was computed. [2018-12-09 02:47:26,064 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 116 156) no Hoare annotation was computed. [2018-12-09 02:47:26,064 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 02:47:26,064 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 121 126) no Hoare annotation was computed. [2018-12-09 02:47:26,064 INFO L444 ceAbstractionStarter]: At program point L121-2(lines 121 126) the Hoare annotation is: (= __ieee754_log10_~x |__ieee754_log10_#in~x|) [2018-12-09 02:47:26,064 INFO L448 ceAbstractionStarter]: For program point L121-3(lines 121 126) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 131) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L451 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: true [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 28 107) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 82) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 105) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 74) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 106) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 53) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 28 107) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 33 38) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L451 ceAbstractionStarter]: At program point L33-2(lines 33 38) the Hoare annotation is: true [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point L33-3(lines 33 38) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 28 107) the Hoare annotation is: true [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 28 107) no Hoare annotation was computed. [2018-12-09 02:47:26,065 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 83) no Hoare annotation was computed. [2018-12-09 02:47:26,066 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 100) no Hoare annotation was computed. [2018-12-09 02:47:26,066 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 59 64) no Hoare annotation was computed. [2018-12-09 02:47:26,066 INFO L451 ceAbstractionStarter]: At program point L59-2(lines 59 64) the Hoare annotation is: true [2018-12-09 02:47:26,066 INFO L448 ceAbstractionStarter]: For program point L59-3(lines 59 64) no Hoare annotation was computed. [2018-12-09 02:47:26,066 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 75) no Hoare annotation was computed. [2018-12-09 02:47:26,066 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 161 166) no Hoare annotation was computed. [2018-12-09 02:47:26,066 INFO L444 ceAbstractionStarter]: At program point L161-2(lines 161 166) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-12-09 02:47:26,066 INFO L448 ceAbstractionStarter]: For program point L161-3(lines 161 166) no Hoare annotation was computed. [2018-12-09 02:47:26,066 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 159 171) no Hoare annotation was computed. [2018-12-09 02:47:26,066 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 159 171) no Hoare annotation was computed. [2018-12-09 02:47:26,066 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 159 171) the Hoare annotation is: true [2018-12-09 02:47:26,066 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 02:47:26,066 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 02:47:26,066 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 02:47:26,066 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 02:47:26,066 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 173 191) the Hoare annotation is: true [2018-12-09 02:47:26,066 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 173 191) no Hoare annotation was computed. [2018-12-09 02:47:26,066 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-12-09 02:47:26,066 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= main_~res~0 (fp.add roundNearestTiesToEven .cse0 .cse0)))) [2018-12-09 02:47:26,067 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 173 191) no Hoare annotation was computed. [2018-12-09 02:47:26,067 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 185 188) no Hoare annotation was computed. [2018-12-09 02:47:26,067 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2018-12-09 02:47:26,067 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-12-09 02:47:26,067 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 186) no Hoare annotation was computed. [2018-12-09 02:47:26,071 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,071 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,071 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,071 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,072 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,072 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,072 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,072 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,075 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,075 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,075 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,075 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,075 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,075 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,075 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,075 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,076 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,077 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,078 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,079 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:47:26 BoogieIcfgContainer [2018-12-09 02:47:26,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 02:47:26,080 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 02:47:26,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 02:47:26,081 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 02:47:26,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:47:10" (3/4) ... [2018-12-09 02:47:26,083 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 02:47:26,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 02:47:26,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10 [2018-12-09 02:47:26,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-12-09 02:47:26,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-12-09 02:47:26,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 02:47:26,091 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-09 02:47:26,091 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-12-09 02:47:26,092 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 02:47:26,092 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 02:47:26,107 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-09 02:47:26,107 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-09 02:47:26,108 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_prenex_17 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && hx == v_prenex_17[63:32]) && (\exists v_prenex_17 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && ~bvslt32(v_prenex_17[63:32], 1048576bv32)) [2018-12-09 02:47:26,108 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_20 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_20[63:63], v_prenex_20[62:52], v_prenex_20[51:0]) && !~bvsge32(v_prenex_20[63:32], 2146435072bv32)) && x == \old(x)) || (\exists v_prenex_17 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && ~bvslt32(v_prenex_17[63:32], 1048576bv32)) [2018-12-09 02:47:26,131 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_19bda5de-b41e-43e4-becc-3a632295fad4/bin-2019/utaipan/witness.graphml [2018-12-09 02:47:26,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 02:47:26,132 INFO L168 Benchmark]: Toolchain (without parser) took 46053.83 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 944.7 MB in the beginning and 964.6 MB in the end (delta: -19.9 MB). Peak memory consumption was 216.0 MB. Max. memory is 11.5 GB. [2018-12-09 02:47:26,132 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:47:26,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.23 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-09 02:47:26,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 36.7 MB). Free memory was 927.3 MB in the beginning and 1.0 GB in the end (delta: -87.6 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-09 02:47:26,133 INFO L168 Benchmark]: Boogie Preprocessor took 58.28 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 199.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -206.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-12-09 02:47:26,133 INFO L168 Benchmark]: RCFGBuilder took 30027.31 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. [2018-12-09 02:47:26,133 INFO L168 Benchmark]: TraceAbstraction took 15684.74 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 974.7 MB in the end (delta: 195.8 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. [2018-12-09 02:47:26,133 INFO L168 Benchmark]: Witness Printer took 50.74 ms. Allocated memory is still 1.3 GB. Free memory was 974.7 MB in the beginning and 964.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-12-09 02:47:26,134 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 202.23 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 36.7 MB). Free memory was 927.3 MB in the beginning and 1.0 GB in the end (delta: -87.6 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.28 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 199.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -206.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 30027.31 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15684.74 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 974.7 MB in the end (delta: 195.8 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. * Witness Printer took 50.74 ms. Allocated memory is still 1.3 GB. Free memory was 974.7 MB in the beginning and 964.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 186]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant [2018-12-09 02:47:26,137 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,137 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,137 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,137 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,138 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,138 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,138 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,138 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,138 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,138 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,138 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,138 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,138 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,138 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,138 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,139 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] Derived loop invariant: (\exists v_prenex_17 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && hx == v_prenex_17[63:32]) && (\exists v_prenex_17 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && ~bvslt32(v_prenex_17[63:32], 1048576bv32)) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 148]: Loop Invariant [2018-12-09 02:47:26,139 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,139 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,139 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,139 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,139 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,139 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,139 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_20,QUANTIFIED] [2018-12-09 02:47:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 02:47:26,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_20 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_20[63:63], v_prenex_20[62:52], v_prenex_20[51:0]) && !~bvsge32(v_prenex_20[63:32], 2146435072bv32)) && x == \old(x)) || (\exists v_prenex_17 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && ~bvslt32(v_prenex_17[63:32], 1048576bv32)) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 60 locations, 1 error locations. SAFE Result, 15.6s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 11.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 242 SDtfs, 44 SDslu, 876 SDs, 0 SdLazy, 152 SolverSat, 8 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 31 PreInvPairs, 45 NumberOfFragments, 132 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 106 ConstructedInterpolants, 21 QuantifiedInterpolants, 17008 SizeOfPredicates, 11 NumberOfNonLiveVariables, 539 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...